I'll Never Leave You - Ever - S2-E56
Continuity mistake: Several times during this episode, reversed shots cause Moira's wedding ring to switch from her left to her right hand and back again.
Night Gallery (1970)
1 mistake in I'll Never Leave You - Ever
Starring: Joanna Pettet, Rod Serling, Larry Watson, Matt Pelto
Rod Serling: For those of you who've never met me, you might call me the under-nourished Alfred Hitchcock.
Trivia: The scene of the spooky castle on the rocky shore was used in episodes of "Gilligan's Island" featuring Vito Scotti as mad scientist Boris Balinkoff.